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Table 2 Prospective and retrospective diagnoses for patients with torsion, torsion and stimulation, stimulation, asymmetric ovarian edema and PCOS

From: Magnetic resonance imaging performance for diagnosis of ovarian torsion in pregnant women with stimulated ovaries

Indication for MRI

History of stimulationa

Prospective interpretation

Reviewer #1

Reviewer #2

Consensus reviewer

Asymmetric T2 signal

Final Diagnosis

LLQ pain

No

Left tubal torsion

Left tubal torsion

Left tubal torsion

N/A

Yes

Torsion

RLQ pain

No

Right ovarian torsion

Asymmetric enlargement of right ovary, possible torsion

Asymmetric enlargement of right ovary, possible PCOS

Right ovarian torsion

Yes

Torsion

RLQ pain

No

Possible right torsion

Edematous right tube, unclear etiology

Asymmetric ovaries, possible PCOS or torsion

N/A

No

Torsion (with possible ovarian fibroma at pathology)

LLQ pain

Yes

Stimulated ovaries

Stimulated ovaries

Stimulated ovaries

N/A

No

Torsion (diagnosed by MRI 4 days later) with necrosis at surgery/pathology

RLQ pain

Yes

Right ovarian torsion

Right ovarian torsion

Right ovarian torsion

Right ovarian torsion

Yes

Torsion

RLQ pain

Yes

Right torsion

Suggestive of right torsion

Stimulated ovaries

Stimulated ovaries

Yes

Torsion

RLQ pain

Yes

Asymmetric enlargement of right ovary

Right torsion vs. asymmetric stimulation

Right torsion

Stimulated ovaries

No

Stimulated ovaries

Abdominal pain

Yes

Right torsion

Right torsion

Right torsion

N/A

Yes

Asymmetric ovaries since time of egg retrieval

Pain (N = 6 patients)

Yes

Stimulated ovaries

Stimulated ovaries

Stimulated ovaries

N/A

No

Stimulated ovaries

Pain

Yes

Stimulated ovaries

Normal ovaries

Normal ovaries

N/A

No

Stimulated ovaries

Fetal anomaly

Yes

Stimulated ovaries

Stimulated ovaries

Stimulated ovaries

N/A

No

Stimulated ovaries

Uterine sarcoma surveillance

Yes

Resolving ovarian stimulation

Stimulation of PCOS

PCOS

N/A

No

Resolving ovarian stimulation

RLQ pain

No

Asymmetrically enlarged edematous right ovary

Normal versus early/intermittent right torsion

Normal

Asymmetric right ovarian edema

Yes

Asymmetric ovarian edema

RLQ pain

No

Asymmetrically enlarged edematous right ovary

Asymmetrically enlarged edematous right ovary

Right torsion

N/A

Yes

Asymmetric ovarian edema

RLQ pain

No

Right ovarian torsion

Right torsion

Right torsion

Right torsion

Yes

Edematous right ovary with a corpus luteum

RUQ pain

Yes

Stimulated ovaries

Stimulated ovaries

Stimulated ovaries

N/A

No

Stimulated ovaries, PCOS

RLQ pain

Yes

Stimulated ovaries, right pelvic hematoma status post egg retrieval

Stimulated ovaries, right pelvic hematoma

Stimulated ovaries

N/A

No

Stimulated ovaries, pelvic hematoma, PCOS

RLQ pain

No

Right torsion, PCOS

Possible right torsion

Edematous right ovary, PCOS

N/A

Yes

PCOS, normal ovaries seen 1 year later at tubal ligation

  1. ahistory was not available to the retrospective blinded reviewers
  2. LLQ left lower quadrant, RLQ right lower quadrant, RUQ right upper quadrant